Common Names — Set 1
Chemistry · सामान्य नाम · Questions 1–10 of 60
What is the common name of Sodium Carbonate Decahydrate?
Correct Answer: C. Washing soda
Sodium carbonate decahydrate is commonly known as washing soda. It is used in the glass, soap, and paper industries. It also helps in removing the permanent hardness of water.
Which chemical compound is commonly referred to as 'Milk of Magnesia'?
Correct Answer: B. Magnesium hydroxide
Magnesium hydroxide is the chemical name for milk of magnesia. It is widely used as an antacid to neutralize excess stomach acid. This compound is also utilized as a mild laxative.
What is the common name for Calcium Sulfate Hemihydrate?
Correct Answer: C. Plaster of Paris
Calcium sulfate hemihydrate is popularly called Plaster of Paris. It is obtained by heating gypsum to a temperature of 373 Kelvin. Doctors use it to support fractured bones in the right position.
Which of these is the common name for Sodium Hydroxide?
Correct Answer: D. Caustic soda
Sodium hydroxide is commonly known as caustic soda because of its corrosive action. It is an essential reagent in the manufacturing of soaps and detergents. It is also used for degreasing metals in industrial processes.
What is the common name of the compound Calcium Oxychloride?
Correct Answer: D. Bleaching powder
Calcium oxychloride is the chemical identity of bleaching powder. It is produced by the action of chlorine on dry slaked lime. It is used for disinfecting drinking water to make it germ-free.
Which substance is commonly known as 'Blue Vitriol'?
Correct Answer: D. Copper sulfate
Hydrated copper sulfate is known as blue vitriol due to its distinct blue crystals. It is used as a fungicide and in the process of electroplating. The anhydrous form of this salt is actually white.
What is the common name of Sodium Bicarbonate?
Correct Answer: A. Baking soda
Sodium bicarbonate is commonly called baking soda in most households. It produces carbon dioxide gas when heated, which helps bread and cakes to rise. It is also used as an ingredient in antacids.
Which compound is known as 'Chile Saltpetre'?
Correct Answer: B. Sodium nitrate
Sodium nitrate is commonly referred to as Chile saltpetre. It is found in large natural deposits in the dry regions of Chile. This compound is primarily used in fertilizers and explosives.
What is the common name of Potassium Hydroxide?
Correct Answer: D. Caustic potash
Potassium hydroxide is widely known as caustic potash. It is used in the manufacture of soft soaps and alkaline batteries. It is a stronger base compared to many other common hydroxides.
Which substance is commonly called 'Quick Lime'?
Correct Answer: C. Calcium oxide
Calcium oxide is the chemical term for quick lime. It reacts vigorously with water to produce slaked lime and heat. This material is essential in the production of cement and glass.